EP3975563A4 - INTERPREDICTION IN A VIDEO OR IMAGE CODING SYSTEM - Google Patents

INTERPREDICTION IN A VIDEO OR IMAGE CODING SYSTEM Download PDF

Info

Publication number
EP3975563A4
EP3975563A4 EP20823427.8A EP20823427A EP3975563A4 EP 3975563 A4 EP3975563 A4 EP 3975563A4 EP 20823427 A EP20823427 A EP 20823427A EP 3975563 A4 EP3975563 A4 EP 3975563A4
Authority
EP
European Patent Office
Prior art keywords
video
inter prediction
image coding
coding system
image
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20823427.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3975563A1 (en
Inventor
Hyeongmoon JANG
Naeri PARK
Junghak NAM
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3975563A1 publication Critical patent/EP3975563A1/en
Publication of EP3975563A4 publication Critical patent/EP3975563A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20823427.8A 2019-06-13 2020-06-15 INTERPREDICTION IN A VIDEO OR IMAGE CODING SYSTEM Withdrawn EP3975563A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962861318P 2019-06-13 2019-06-13
PCT/KR2020/007742 WO2020251338A1 (ko) 2019-06-13 2020-06-15 비디오 또는 영상 코딩 시스템에서의 인터 예측

Publications (2)

Publication Number Publication Date
EP3975563A1 EP3975563A1 (en) 2022-03-30
EP3975563A4 true EP3975563A4 (en) 2023-01-18

Family

ID=73780915

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20823427.8A Withdrawn EP3975563A4 (en) 2019-06-13 2020-06-15 INTERPREDICTION IN A VIDEO OR IMAGE CODING SYSTEM

Country Status (6)

Country Link
US (1) US20220377370A1 (ja)
EP (1) EP3975563A4 (ja)
JP (1) JP2022536766A (ja)
KR (1) KR20210156844A (ja)
CN (1) CN114208168A (ja)
WO (1) WO2020251338A1 (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230100677A (ko) * 2021-12-28 2023-07-05 주식회사 케이티 비디오 신호 부호화/복호화 방법, 그리고 비트스트림을 저장한 기록 매체
TW202410696A (zh) * 2022-05-17 2024-03-01 聯發科技股份有限公司 使用合併ｍｖｄ模式降低視頻編碼複雜性的方法和裝置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3923579B1 (en) * 2010-11-25 2023-01-04 LG Electronics Inc. Method for signaling image information and method for decoding image information using same
JP6409792B2 (ja) * 2016-02-10 2018-10-24 三菱電機株式会社 画像特徴記述子符号化装置、画像特徴記述子復号装置、画像特徴記述子符号化方法及び画像特徴記述子復号方法
US10462462B2 (en) * 2016-09-29 2019-10-29 Qualcomm Incorporated Motion vector difference coding technique for video coding

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BROSS B ET AL: "Versatile Video Coding (Draft 4)", no. JVET-M1001, 17 March 2019 (2019-03-17), pages 1 - 300, XP030255166, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M1001-v7.zip JVET-M1001-v7.docx> [retrieved on 20190317] *
JANG (LGE) H ET AL: "AhG2: Mismatch between text specification and reference software on SMVD", no. m47132, 23 March 2019 (2019-03-23), XP030210815, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/126_Geneva/wg11/m47132-JVET-N0470-v3-JVET-N0470-v3.zip JVET-N0470_r1.docx> [retrieved on 20190323] *
LEE H ET AL: "non-CE4: Simplification of decoding process for SMVD reference indices", no. JVET-N0471, 21 March 2019 (2019-03-21), XP030204285, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0471-v3.zip JVET-N0471-v2.docx> [retrieved on 20190321] *
LUO (INTERDIGITAL) J ET AL: "CE4-related: Simplified symmetric MVD based on CE4.4.3", no. JVET-M0444-v2; JVET-M0444, 8 January 2019 (2019-01-08), pages 1 - 3, XP030200929, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0444-v2.zip JVET-M0444-v2.docx> [retrieved on 20190108] *
See also references of WO2020251338A1 *

Also Published As

Publication number Publication date
KR20210156844A (ko) 2021-12-27
CN114208168A (zh) 2022-03-18
WO2020251338A1 (ko) 2020-12-17
JP2022536766A (ja) 2022-08-18
EP3975563A1 (en) 2022-03-30
US20220377370A1 (en) 2022-11-24

Similar Documents

Publication Publication Date Title
EP3566450A4 (en) VIDEO AND IMAGE CODING WITH INTRA WIDE ANGLE PREDICTION
EP3900357A4 (en) BUFFER INITIALIZATION FOR INTRA BLOCK COPY IN VIDEO ENCODING
EP3833021A4 (en) IMAGE ENCODING / DECODING METHOD AND DEVICE USING INTRAPREDICTION
SG11202111583WA (en) Merge mode coding for video coding
EP3831057A4 (en) MANAGEMENT OF REFERENCE IMAGES IN A VIDEO ENCODING
EP4029262A4 (en) PREDICTIVE TYPE SIGNALING IN VIDEO ENCODING
EP3849183A4 (en) Method and device for coding/decoding image using intra prediction
EP3915265A4 (en) DIRECTION-BASED PREDICTION FOR INTRA BLOCK COPY IN VIDEO CODING
EP4062636A4 (en) GEOMETRIC PARTITIONING MODE IN VIDEO CODING
EP3981151A4 (en) VIRTUAL PREDICTION BUFFER FOR INTRA-BLOCK COPY IN VIDEO ENCODING
SG11202109472RA (en) Gradient-based prediction refinement for video coding
EP3900354A4 (en) SYSTEMS AND METHODS OF INTERPREDICTION IN VIDEO CODING
EP3799429A4 (en) METHOD AND APPARATUS FOR IMAGE CODING / DECODING USING INTRA PREDICTION
EP3967040A4 (en) CONSTRUCTION OF MOTION CANDIDATE LISTS FOR VIDEO ENCODING
EP3939313A4 (en) SYSTEMS AND METHODS FOR PERFORMING INTERCODING IN VIDEO CODING
EP3823284C0 (en) METHODS FOR PREDICTING VIDEO IMAGE COMPONENT, DECODER AND ENCODER
EP3922031A4 (en) SYSTEMS AND METHODS FOR IMAGE CODING
SG11202108953XA (en) Video coding in triangular prediction unit mode using different chroma formats
EP3747193A4 (en) SYSTEMS AND METHODS FOR PERFORMING MOTION VECTOR PREDICTION FOR VIDEO ENCODING USING MOTION VECTOR PREDICATOR ORIGINS
SG11202111550WA (en) Gradient-based prediction refinement for video coding
EP3777144A4 (en) SIGNALING OF INTRA PREDICTION MODE FOR VIDEO ENCODING
EP3884667A4 (en) VIDEO CODING WITH TRIANGLE SHAPE PREDICTION UNITS
EP3958568A4 (en) VIDEO OR IMAGE ENCODING BASED ON SIGNALING SCALING LIST DATA
EP3937490A4 (en) VIDEO OR IMAGE CODING BASED ON INTRA-BLOCK CODING
EP3975563A4 (en) INTERPREDICTION IN A VIDEO OR IMAGE CODING SYSTEM

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211220

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: H04N0019573000

Ipc: H04N0019700000

A4 Supplementary search report drawn up and despatched

Effective date: 20221220

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/513 20140101ALI20221214BHEP

Ipc: H04N 19/52 20140101ALI20221214BHEP

Ipc: H04N 19/70 20140101AFI20221214BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN

18W Application withdrawn

Effective date: 20230629